67345116789 has 8 divisors (see below), whose sum is σ = 94519462240. Its totient is φ = 42533757936.

The previous prime is 67345116739. The next prime is 67345116851. The reversal of 67345116789 is 98761154376.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67345116789 - 2⁸ = 67345116533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 1181493277 = 67345116789 / (6 + 7 + 3 + 4 + 5 + 1 + 1 + 6 + 7 + 8 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67345116739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590746582 + ... + 590746695.

It is an arithmetic number, because the mean of its divisors is an integer number (11814932780).

Almost surely, 2^67345116789 is an apocalyptic number.

It is an amenable number.

67345116789 is a deficient number, since it is larger than the sum of its proper divisors (27174345451).

67345116789 is a wasteful number, since it uses less digits than its factorization.

67345116789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181493299.

The product of its digits is 7620480, while the sum is 57.

The spelling of 67345116789 in words is "sixty-seven billion, three hundred forty-five million, one hundred sixteen thousand, seven hundred eighty-nine".